Update CHANGELOG and bump version

Author: Michael Sanders

CHANGELOG.md

@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this file.
 `TrueTime.swift` adheres to [Semantic Versioning](http://semver.org/).
 
+## [3.1.1](https://github.com/instacart/TrueTime.swift/releases/tag/3.1.1)
+
+- Fixed: Addressed issue building project with latest swiftlint installed.
+
 ## [3.1.0](https://github.com/instacart/TrueTime.swift/releases/tag/3.1.0)
 
 - Added: Now supporting CocoaPods.

TrueTime.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name = 'TrueTime'
-  s.version = '3.1.0'
+  s.version = '3.1.1'
   s.summary = 'NTP library for Swift. Get the true time impervious to device clock changes.'
 
   s.homepage = 'https://github.com/instacart/TrueTime.swift'